@@ -152,7 +152,7 @@
MODULE_PARM_DESC(ad_select, "803.ad aggregation selection logic: stable (0, default), bandwidth (1), count (2)");
module_param(xmit_hash_policy, charp, 0);
MODULE_PARM_DESC(xmit_hash_policy, "XOR hashing method: 0 for layer 2 (default)"
- ", 1 for layer 3+4");
+ ", 1 for layer 3+4, 2 for layer 2+3");
module_param(arp_interval, int, 0);
MODULE_PARM_DESC(arp_interval, "arp interval in milliseconds");
module_param_array(arp_ip_target, charp, NULL, 0);
@@ -3720,11 +3720,20 @@
static int bond_xmit_hash_policy_l23(struct sk_buff *skb, int count)
{
struct ethhdr *data = (struct ethhdr *)skb->data;
- struct iphdr *iph = ip_hdr(skb);
if (skb->protocol == htons(ETH_P_IP)) {
+ struct iphdr *iph = ip_hdr(skb);
return ((ntohl(iph->saddr ^ iph->daddr) & 0xffff) ^
(data->h_dest[5] ^ data->h_source[5])) % count;
+ } else if (skb->protocol == htons(ETH_P_IPV6)) {
+ struct ipv6hdr *ipv6h = ipv6_hdr(skb);
+ u32 v6hash = (
+ (ipv6h->saddr.s6_addr32[1] ^ ipv6h->daddr.s6_addr32[1]) ^
+ (ipv6h->saddr.s6_addr32[2] ^ ipv6h->daddr.s6_addr32[2]) ^
+ (ipv6h->saddr.s6_addr32[3] ^ ipv6h->daddr.s6_addr32[3])
+ );
+ v6hash = (v6hash >> 16) ^ (v6hash >> 8) ^ v6hash;
+ return (v6hash ^ data->h_dest[5] ^ data->h_source[5]) % count;
}
return (data->h_dest[5] ^ data->h_source[5]) % count;
@@ -3738,11 +3747,11 @@
static int bond_xmit_hash_policy_l34(struct sk_buff *skb, int count)
{
struct ethhdr *data = (struct ethhdr *)skb->data;
- struct iphdr *iph = ip_hdr(skb);
- __be16 *layer4hdr = (__be16 *)((u32 *)iph + iph->ihl);
- int layer4_xor = 0;
+ u32 layer4_xor = 0;
if (skb->protocol == htons(ETH_P_IP)) {
+ struct iphdr *iph = ip_hdr(skb);
+ __be16 *layer4hdr = (__be16 *)((u32 *)iph + iph->ihl);
if (!(iph->frag_off & htons(IP_MF|IP_OFFSET)) &&
(iph->protocol == IPPROTO_TCP ||
iph->protocol == IPPROTO_UDP)) {
@@ -3750,7 +3759,18 @@
}
return (layer4_xor ^
((ntohl(iph->saddr ^ iph->daddr)) & 0xffff)) % count;
-
+ } else if (skb->protocol == htons(ETH_P_IPV6)) {
+ struct ipv6hdr *ipv6h = ipv6_hdr(skb);
+ __be16 *layer4hdrv6 = (__be16 *)((u8 *)ipv6h + sizeof(*ipv6h));
+ if (ipv6h->nexthdr == IPPROTO_TCP || ipv6h->nexthdr == IPPROTO_UDP) {
+ layer4_xor = (*layer4hdrv6 ^ *(layer4hdrv6 + 1));
+ }
+ layer4_xor ^= (
+ (ipv6h->saddr.s6_addr32[1] ^ ipv6h->daddr.s6_addr32[1]) ^
+ (ipv6h->saddr.s6_addr32[2] ^ ipv6h->daddr.s6_addr32[2]) ^
+ (ipv6h->saddr.s6_addr32[3] ^ ipv6h->daddr.s6_addr32[3])
+ );
+ return ((layer4_xor >> 16) ^ (layer4_xor >> 8) ^ layer4_xor) % count;
}
return (data->h_dest[5] ^ data->h_source[5]) % count;